GOING CONCERN (Details) - USD ($) $ in Thousands	12 Months Ended
	Jan. 31, 2018	Jan. 31, 2017	Jan. 31, 2016
GOING CONCERN
Cash and cash equivalents	$ 7,576	$ 6,501	$ 4,039
Working capital (deficit)	5,000
Net income (loss) available to common stockholders	16,640	18,532
Accumulated deficit	$ 61,278	$ 44,638